|
|
/*
* HrSWRunPerfEntry.c v0.10 * Generated in conjunction with Management Factory scripts: * script version: SNMPv1, 0.16, Apr 25, 1996 * project: D:\TEMP\EXAMPLE\HOSTMIB **************************************************************************** * * * (C) Copyright 1995 DIGITAL EQUIPMENT CORPORATION * * * * This software is an unpublished work protected under the * * the copyright laws of the United States of America, all * * rights reserved. * * * * In the event this software is licensed for use by the United * * States Government, all use, duplication or disclosure by the * * United States Government is subject to restrictions as set * * forth in either subparagraph (c)(1)(ii) of the Rights in * * Technical Data And Computer Software Clause at DFARS * * 252.227-7013, or the Commercial Computer Software Restricted * * Rights Clause at FAR 52.221-19, whichever is applicable. * * * **************************************************************************** * * Facility: * * Windows NT SNMP Extension Agent * * Abstract: * * This module contains the code for dealing with the get, set, and * instance name routines for the HrSWRunPerfEntry. Actual instrumentation code is * supplied by the developer. * * Functions: * * A get and set routine for each attribute in the class. * * The routines for instances within the class. * * Author: * * D. D. Burns @ Webenable Inc * * Revision History: * * V1.00 - 05/14/97 D. D. Burns Genned: Thu Nov 07 16:48:05 1996 * */
#include <windows.h>
#include <malloc.h>
#include <snmp.h>
#include "mib.h"
#include "smint.h"
#include "hostmsmi.h"
#include "user.h" /* Developer supplied include file */
#include "HMCACHE.H" /* Cache-related definitions */
/*
| NOTE:| The cache used by this table is the same one created for hrSWRun. The| CACHEHEAD structure for it is located in "HRSWRUNE.C".*/
/*
* GetHrSWRunPerfCPU * The number of centi-seconds of the total system's CPU resources consumed * by this process. Note that on a multi-processor syste * * Gets the value for HrSWRunPerfCPU. * * Arguments: * * outvalue address to return variable value * accesss Reserved for future security use * instance address of instance name as ordered native * data type(s) * * Return Codes: * * Standard PDU error codes. * * SNMP_ERRORSTATUS_NOERROR Successful get * SNMP_ERRORSTATUS_GENERR Catch-all failure code * mibtget.c v0.10 * | =============== From WebEnable Design Spec Rev 3 04/11/97================== | hrSWRunPerfCPU | | ACCESS SYNTAX | read-only INTEGER | | "The number of centi-seconds of the total system's CPU resources consumed by | this process. Note that on a multi-processor system, this value may increment | by more than one centi-second in one centi-second of real (wall clock) time." | | DISCUSSION: | | <POA-22> Given the performance monitoring counters available in the Registry, | how do we compute this SNMP attribute value for a given process? | | RESOLVED >>>>>>>> | <POA-22> I think we should just use the PerfMon code for this. | RESOLVED >>>>>>>> | |============================================================================ | 1.3.6.1.2.1.25.5.1.1.1.<instance> | | | | | | | | | *-hrSWRunPerfCPU | | | *-hrSWRunPerfEntry | | *-hrSWRunPerfTable | *-hrSWRunPerf */
UINTGetHrSWRunPerfCPU( OUT Integer *outvalue , IN Access_Credential *access , IN InstanceName *instance )
{ULONG index; /* As fetched from instance structure */CACHEROW *row; /* Row entry fetched from cache */
/*
| Grab the instance information*/index = GET_INSTANCE(0);
/*
| Use it to find the right entry in the cache*/if ((row = FindTableRow(index, &hrSWRunTable_cache)) == NULL) { return SNMP_ERRORSTATUS_GENERR; }
*outvalue = row->attrib_list[HRSP_CPU].u.number_value;
return SNMP_ERRORSTATUS_NOERROR ;
} /* end of GetHrSWRunPerfCPU() */
/*
* GetHrSWRunPerfMem * The total amount of real system memory allocated to this process. * * Gets the value for HrSWRunPerfMem. * * Arguments: * * outvalue address to return variable value * accesss Reserved for future security use * instance address of instance name as ordered native * data type(s) * * Return Codes: * * Standard PDU error codes. * * SNMP_ERRORSTATUS_NOERROR Successful get * SNMP_ERRORSTATUS_GENERR Catch-all failure code * mibtget.c v0.10 * | =============== From WebEnable Design Spec Rev 3 04/11/97================== | hrSWRunPerfMem | | ACCESS SYNTAX | read-only KBytes | | "The total amount of real system memory allocated to this process." | | DISCUSSION: | | <POA-23> Given the performance monitoring counters available in the Registry, | how do we compute this SNMP attribute value for a given process? | | RESOLVED >>>>>>>> | <POA-22> I think we should just use the PerfMon code for this. | RESOLVED >>>>>>>> | |============================================================================ | 1.3.6.1.2.1.25.5.1.1.2.<instance> | | | | | | | | | *-hrSWRunPerfMem | | | *-hrSWRunPerfEntry | | *-hrSWRunPerfTable | *-hrSWRunPerf */
UINTGetHrSWRunPerfMem( OUT KBytes *outvalue , IN Access_Credential *access , IN InstanceName *instance )
{ULONG index; /* As fetched from instance structure */CACHEROW *row; /* Row entry fetched from cache */
/*
| Grab the instance information*/index = GET_INSTANCE(0);
/*
| Use it to find the right entry in the cache*/if ((row = FindTableRow(index, &hrSWRunTable_cache)) == NULL) { return SNMP_ERRORSTATUS_GENERR; }
*outvalue = row->attrib_list[HRSP_MEM].u.number_value;
return SNMP_ERRORSTATUS_NOERROR ;
} /* end of GetHrSWRunPerfMem() */
/*
* HrSWRunPerfEntryFindInstance * * This routine is used to verify that the specified instance is * valid. * * Arguments: * * FullOid Address for the full oid - group, variable, * and instance information * instance Address for instance specification as an oid * * Return Codes: * * SNMP_ERRORSTATUS_NOERROR Instance found and valid * SNMP_ERRORSTATUS_NOSUCHNAME Invalid instance * */
UINTHrSWRunPerfEntryFindInstance( IN ObjectIdentifier *FullOid , IN OUT ObjectIdentifier *instance ){ UINT tmp_instance ;
//
// Developer instrumentation code to find appropriate instance goes here.
// For non-tables, it is not necessary to modify this routine. However, if
// there is any context that needs to be set, it can be done here.
//
if ( FullOid->idLength <= HRSWRUNPERFENTRY_VAR_INDEX ) // No instance was specified
return SNMP_ERRORSTATUS_NOSUCHNAME ; else if ( FullOid->idLength != HRSWRUNPERFENTRY_VAR_INDEX + 1 ) // Instance length is more than 1
return SNMP_ERRORSTATUS_NOSUCHNAME ; else // The only valid instance for a non-table are instance 0. If this
// is a non-table, the following code validates the instances. If this
// is a table, developer modification is necessary below.
tmp_instance = FullOid->ids[ HRSWRUNPERFENTRY_VAR_INDEX ] ;
/*
| Check for age-out and possibly refresh the entire cache for the | hrSWRun(Perf) table before we check to see if the instance is there. */ if (hrSWRunCache_Refresh() == FALSE) { return SNMP_ERRORSTATUS_GENERR; }
/*
| For hrSWRunPerf, the instance arc(s) is a single arc, and it must | correctly select an entry in the hrSWRun(Perf) Table cache. | Check that here. */ if ( FindTableRow(tmp_instance, &hrSWRunTable_cache) == NULL ) { return SNMP_ERRORSTATUS_NOSUCHNAME ; } else { // the instance is valid. Create the instance portion of the OID
// to be returned from this call.
instance->ids[ 0 ] = tmp_instance ; instance->idLength = 1 ; }
return SNMP_ERRORSTATUS_NOERROR ;
} /* end of HrSWRunPerfEntryFindInstance() */
/*
* HrSWRunPerfEntryFindNextInstance * * This routine is called to get the next instance. If no instance * was passed than return the first instance (1). * * Arguments: * * FullOid Address for the full oid - group, variable, * and instance information * instance Address for instance specification as an oid * * Return Codes: * * SNMP_ERRORSTATUS_NOERROR Instance found and valid * SNMP_ERRORSTATUS_NOSUCHNAME Invalid instance * */
UINTHrSWRunPerfEntryFindNextInstance( IN ObjectIdentifier *FullOid , IN OUT ObjectIdentifier *instance ){ //
// Developer supplied code to find the next instance of class goes here.
// If this is a class with cardinality 1, no modification of this routine
// is necessary unless additional context needs to be set.
// If the FullOid does not specify an instance, then the only instance
// of the class is returned. If this is a table, the first row of the
// table is returned.
//
// If an instance is specified and this is a non-table class, then NOSUCHNAME
// is returned so that correct MIB rollover processing occurs. If this is
// a table, then the next instance is the one following the current instance.
// If there are no more instances in the table, return NOSUCHNAME.
//
CACHEROW *row; ULONG tmp_instance;
if ( FullOid->idLength <= HRSWRUNPERFENTRY_VAR_INDEX ) { /*
| Too short: must return the instance arc that selects the first | entry in the table if there is one. */ tmp_instance = 0; } else { /*
| There is at least one instance arc. Even if it is the only arc | we use it as the "index" in a request for the "NEXT" one. */ tmp_instance = FullOid->ids[ HRSWRUNPERFENTRY_VAR_INDEX ] ; }
/*
| Check for age-out and possibly refresh the entire cache for the | hrSWRun(Perf) table before we check to see if the instance is there. */ if (hrSWRunCache_Refresh() == FALSE) { return SNMP_ERRORSTATUS_GENERR; }
/* Now go off and try to find the next instance in the table */ if ((row = FindNextTableRow(tmp_instance, &hrSWRunTable_cache)) == NULL) { return SNMP_ERRORSTATUS_NOSUCHNAME ; }
instance->ids[ 0 ] = row->index ; instance->idLength = 1 ;
return SNMP_ERRORSTATUS_NOERROR ;
} /* end of HrSWRunPerfEntryFindNextInstance() */
/*
* HrSWRunPerfEntryConvertInstance * * This routine is used to convert the object id specification of an * instance into an ordered native representation. The object id format * is that object identifier that is returned from the Find Instance * or Find Next Instance routines. It is NOT the full object identifier * that contains the group and variable object ids as well. The native * representation is an argc/argv-like structure that contains the * ordered variables that define the instance. This is specified by * the MIB's INDEX clause. See RFC 1212 for information about the INDEX * clause. * * * Arguments: * * oid_spec Address of the object id instance specification * native_spec Address to return the ordered native instance * specification * * Return Codes: * * SUCCESS Conversion complete successfully * FAILURE Unable to convert object id into native format * */
UINTHrSWRunPerfEntryConvertInstance( IN ObjectIdentifier *oid_spec , IN OUT InstanceName *native_spec ){static char *array; /* The address of this (char *) is passed back */ /* as though it were an array of length 1 of these */ /* types. */
static ULONG inst; /* The address of this ULONG is passed back */ /* (Obviously, no "free()" action is needed) */
/* We only expect the one arc in "oid_spec" */ inst = oid_spec->ids[0]; array = (char *) &inst;
native_spec->count = 1; native_spec->array = &array; return SUCCESS ;
} /* end of HrSWRunPerfEntryConvertInstance() */
/*
* HrSWRunPerfEntryFreeInstance * * This routine is used to free an ordered native representation of an * instance name. * * Arguments: * * instance Address to return the ordered native instance * specification * * Return Codes: * * */
voidHrSWRunPerfEntryFreeInstance( IN OUT InstanceName *instance ){
//
// Developer supplied code to free native representation of instance name goes here.
//
} /* end of HrSWRunPerfEntryFreeInstance() */
|
